The present invention relates to a neck support device. According to the present invention, the neck support device is to absorb shock and relieve pain after fitting into the neck of a user using a support and elastic force of a spring. To this end, a support device is coupled to an inner lateral surface of a neck protector to cover up the neck after put on the circumference of the neck, and a buffer member is added to a rear side to absorb shock. In addition, an upper cover part supports an upper portion of the neck, while a lower cover part supports a lower portion of the neck.COPYRIGHT KIPO 2017본 발명은 목지지장치에 관한 것으로 본 발명에 따른 목지지장치는 목둘레에 착용되면 목을 감싸주기 위한 목보호대에 지지장치를 내측면에 결합하고 후면에는 충격을 흡수할 수 있는 완충부재를 덧대어 주고 상부커버부는 목위를 받쳐주고 하부커버부는 목아래 부분을 받처 지지대와 스프링의 탄발력을 이용 착용자의 목에 맞게 통증개선 및 충격을 완화시키기 위한 목지지장치다.